A WLAN is a network of devices communicating via radio waves. The WLAN manager configures the network, sets up user accounts, and decides on security issues. They also monitor device performance and troubleshoot connectivity issues.
A wireless local area network (WLAN) is a network of devices that communicate with each other using radio waves. For a network to function properly, someone must be given the responsibility of managing the network. In a wireless network, that individual is the WLAN manager. In business or corporate situations, the WLAN manager is often part of a team of network managers. The WLAN manager may also be listed as a network administrator.
The duties of a WLAN manager are many and varied. They include configuring the physical components of the network, setting up user accounts for those who will access the network, and deciding on security issues. For large networks, these tasks might be split among multiple people. In a network with only a few components, it’s not uncommon for one individual to handle all the chores.
In the physical configuration of the network, the WLAN operator must decide on the required components. Typical WLAN devices include a WLAN adapter for any computer that will need to connect to the network and the all-important WLAN router, which controls the flow of traffic. Depending on how far a wireless signal has to travel, you may also need a WLAN access point. The WLAN access point is a wired component strategically placed to extend the range of the network.
In addition to configuring the physical network, the WLAN manager must also create user accounts. A user account is required for each individual who will access the network. In configuring user accounts, the manager will determine which resources a user can access within the network. This is known as establishing privileges. The WLAN manager will also set and manage passwords for those who will be part of the network.
In some applications, a user is able to use a network that is open to the public. Such a system is called a guest WLAN. These are commonly found in coffee shops, Internet cafés and other places that allow their customers to connect to the company’s WLAN as guests.
One of the most critical issues that a WLAN manager often faces is that of security. Good security policies are essential to prevent unauthorized access to the network. The primary tool in setting up security is a firewall. A firewall is a part of the network, usually a software application, that can be used to filter traffic. Additional traffic control can be achieved through the use of port filtering, access lists, and data encryption.
After the network is up and running and secure, it is up to the WLAN manager to monitor device performance and maintain network efficiency. Sometimes, you will need to troubleshoot and fix connectivity issues when a user is having trouble accessing the network or when various devices are unable to communicate with each other. The WLAN operator must also plan and implement any expansion of the network to facilitate growth.
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